EP3972047A4 - Cross-coupled filter - Google Patents
Cross-coupled filter Download PDFInfo
- Publication number
- EP3972047A4 EP3972047A4 EP19928759.0A EP19928759A EP3972047A4 EP 3972047 A4 EP3972047 A4 EP 3972047A4 EP 19928759 A EP19928759 A EP 19928759A EP 3972047 A4 EP3972047 A4 EP 3972047A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- cross
- coupled filter
- filter
- coupled
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/20—Frequency-selective devices, e.g. filters
- H01P1/207—Hollow waveguide filters
- H01P1/208—Cascaded cavities; Cascaded resonators inside a hollow waveguide structure
- H01P1/2084—Cascaded cavities; Cascaded resonators inside a hollow waveguide structure with dielectric resonators
- H01P1/2086—Cascaded cavities; Cascaded resonators inside a hollow waveguide structure with dielectric resonators multimode
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/20—Frequency-selective devices, e.g. filters
- H01P1/201—Filters for transverse electromagnetic waves
- H01P1/205—Comb or interdigital filters; Cascaded coaxial cavities
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/20—Frequency-selective devices, e.g. filters
- H01P1/207—Hollow waveguide filters
- H01P1/208—Cascaded cavities; Cascaded resonators inside a hollow waveguide structure
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/CN2019/086796 WO2020227919A1 (en) | 2019-05-14 | 2019-05-14 | Cross-coupled filter |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3972047A1 EP3972047A1 (en) | 2022-03-23 |
EP3972047A4 true EP3972047A4 (en) | 2022-12-21 |
Family
ID=73290103
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19928759.0A Pending EP3972047A4 (en) | 2019-05-14 | 2019-05-14 | Cross-coupled filter |
Country Status (3)
Country | Link |
---|---|
US (1) | US11799181B2 (en) |
EP (1) | EP3972047A4 (en) |
WO (1) | WO2020227919A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3979405A4 (en) * | 2019-08-06 | 2023-01-18 | Rosenberger Technologies Co., Ltd. | Cross-coupled filter |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59110201A (en) * | 1982-12-15 | 1984-06-26 | Nippon Dengiyou Kosaku Kk | Comb line type band-pass filter |
DE3329057A1 (en) * | 1983-08-11 | 1985-02-28 | Siemens AG, 1000 Berlin und 8000 München | Coaxial-lead filter, comb-lead filter or interdigital filter having at least four resonators |
US20170263992A1 (en) * | 2016-03-14 | 2017-09-14 | Kathrein-Werke Kg | Coaxial filter having a frame construction |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5390741A (en) * | 1977-01-21 | 1978-08-09 | Nec Corp | Band pass filter |
US5410284A (en) * | 1992-12-09 | 1995-04-25 | Allen Telecom Group, Inc. | Folded multiple bandpass filter with various couplings |
JP2005223392A (en) * | 2004-02-03 | 2005-08-18 | Ntt Docomo Inc | Coupling line and filter |
JP5675449B2 (en) * | 2011-03-11 | 2015-02-25 | 東光株式会社 | Dielectric waveguide filter |
TWI499123B (en) * | 2011-12-14 | 2015-09-01 | 矽品精密工業股份有限公司 | Cross-coupled band pass filter |
CN107732390B (en) * | 2017-10-20 | 2019-11-08 | 中电科技集团重庆声光电有限公司 | A kind of electromagnetism hybrid coupled cavity body filter |
CN108539337B (en) * | 2018-04-09 | 2019-07-30 | 浙江嘉科电子有限公司 | A kind of novel crossed coupling membrane low-pass filter |
WO2020008748A1 (en) * | 2018-07-02 | 2020-01-09 | 株式会社村田製作所 | Dielectric waveguide filter |
CN111446524B (en) | 2019-01-17 | 2022-04-08 | 罗森伯格技术有限公司 | Single-layer cross coupling filter |
US11437691B2 (en) * | 2019-06-26 | 2022-09-06 | Cts Corporation | Dielectric waveguide filter with trap resonator |
-
2019
- 2019-05-14 EP EP19928759.0A patent/EP3972047A4/en active Pending
- 2019-05-14 WO PCT/CN2019/086796 patent/WO2020227919A1/en unknown
-
2021
- 2021-11-10 US US17/523,449 patent/US11799181B2/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59110201A (en) * | 1982-12-15 | 1984-06-26 | Nippon Dengiyou Kosaku Kk | Comb line type band-pass filter |
DE3329057A1 (en) * | 1983-08-11 | 1985-02-28 | Siemens AG, 1000 Berlin und 8000 München | Coaxial-lead filter, comb-lead filter or interdigital filter having at least four resonators |
US20170263992A1 (en) * | 2016-03-14 | 2017-09-14 | Kathrein-Werke Kg | Coaxial filter having a frame construction |
Non-Patent Citations (1)
Title |
---|
WEI MENG ET AL: "Synthesis of Wideband Multicoupled Resonators Filters", IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES, IEEE, USA, vol. 59, no. 3, 1 March 2011 (2011-03-01), pages 593 - 603, XP011350539, ISSN: 0018-9480, DOI: 10.1109/TMTT.2010.2095032 * |
Also Published As
Publication number | Publication date |
---|---|
US20220069427A1 (en) | 2022-03-03 |
WO2020227919A1 (en) | 2020-11-19 |
EP3972047A1 (en) | 2022-03-23 |
US11799181B2 (en) | 2023-10-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE |
|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE |
|
17P | Request for examination filed |
Effective date: 20211213 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
DAV | Request for validation of the european patent (deleted) | ||
DAX | Request for extension of the european patent (deleted) | ||
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R079 Free format text: PREVIOUS MAIN CLASS: H01P0001200000 Ipc: H01P0001205000 |
|
A4 | Supplementary search report drawn up and despatched |
Effective date: 20221117 |
|
RIC1 | Information provided on ipc code assigned before grant |
Ipc: H01P 1/205 20060101AFI20221111BHEP |
|
RAP3 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: PROSE TECHNOLOGIES (SUZHOU) CO., LTD. |